The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.
A newer edition of this document exists here

NAME

pwd.h - password structure

SYNOPSIS

#include <pwd.h>

DESCRIPTION

The <pwd.h> header shall provide a definition for struct passwd, which shall include at least the following members:

char    *pw_name   User's login name. 
uid_t    pw_uid    Numerical user ID. 
gid_t    pw_gid    Numerical group ID. 
char    *pw_dir    Initial working directory. 
char    *pw_shell  Program to use as shell. 

The gid_t and uid_t types shall be defined as described in <sys/types.h>.

The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided.

struct passwd *getpwnam(const char *);
struct passwd *getpwuid(uid_t);
[TSF][Option Start]
int            getpwnam_r(const char *, struct passwd *, char *,
                   size_t, struct passwd **);
int            getpwuid_r(uid_t, struct passwd *, char *,
                   size_t, struct passwd **);
[Option End]
[XSI][Option Start]
void           endpwent(void);
struct passwd *getpwent(void);
void           setpwent(void);
[Option End]


The following sections are informative.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

<sys/types.h>, the System Interfaces volume of IEEE Std 1003.1-2001, endpwent(), getpwnam(), getpwuid()

CHANGE HISTORY

First released in Issue 1.

Issue 5

The DESCRIPTION is updated for alignment with the POSIX Threads Extension.

Issue 6

The following new requirements on POSIX implementations derive from alignment with the Single UNIX Specification:

End of informative text.

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POSIX ® is a registered Trademark of The IEEE.
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